High-resolution electron microscopy for heterogeneous catalysis research
Zhu Yong, Xu Mingquan, Zhou Wu
       

(color online) In-situ HRTEM imaging of anatase nanocrystals at 150°C. (a) No H2O vapor; ((b)–(e)) exposed to 1 Torr H2O vapor after 1 h (b), 7 h (c), 20 h (d), and 40 h (e); (f) fresh areas only exposed to H2O vapor after 40 h without electron irradiation.[63]